Question
Which of the following letter-number clusters will
replace the question mark (?) in the given series to make it logically complete? HLG9 IMH18 JNI27 KOJ36 ?Solution
HLG9 IMH18 JNI27 KOJ36 ? H + 1 = I, I + 1 = J, J + 1 = K, K + 1 = L L + 1= M, M + 1 = N, N + 1 = O, O + 1 = P G + 1 = H, H + 1 = I, I + 1 = J, J + 1 = K 9 X 1 = 9, 9 X = 18, 9 X 3 = 27, 9 X 4 = 36, 9 X 5 = 45
A basket contains 4 yellow balls, 10 green balls, and 6 white balls. If two balls are taken out one after another without putting the first one back, fi...
If log₁₀(x² − 1) = log₁₀(4x − 3), find x.
Let A={1,2,3} and a relation R={(1,1),(2,2),(3,3),(1,2),(2,1)}. Which is false about R?
Determine the mean proportion of 72 and 50.
- The average weight of 6 students in a group is 45 kg. If one student is replaced by person 'B', the average weight of the group increases by 5%. Find the d...
A certain sum of money becomes Rs. 1900 in 1 year and 2600 in 3 years at certain rate of simple interest. Find the sum of money invested.
If f(x) = 2x² – 3x + 1, find value of f(3) + f(–3).
I. 3x² - 15x + 18 = 0
II. 2y² - 8y + 6 = 0
An arithmetic sequence consists of 21 terms. The sum of the three middle terms is 360, while the sum of the last three terms amounts to 1170. Determine ...
A car travels 300 km at a speed of 60 km/h and another 200 km at a speed of 80 km/h. Find the approximate average speed of the car for the entire journey.